1. Introduction
The RUIZU D02 is a versatile HiFi MP3 music player designed for portable entertainment. Featuring a durable aluminum-magnesium alloy body, silent touch controls, and a 1.8-inch screen, it supports various functions including music playback, FM radio, e-book reading, voice recording, and video playback. This manual provides essential information for setting up, operating, and maintaining your device.
2. Setup
2.1 Package Contents
- 1x RUIZU D02 MP3 Player
- 1x Wired Headphone
- 1x USB Cable
- 1x User Manual (this document)
2.2 Charging the Device
Before first use, fully charge the MP3 player. Connect the device to a computer or a USB wall adapter using the provided USB cable. A full charge typically takes 1-2 hours.
2.3 Inserting a TF Card (External Memory)
The RUIZU D02 supports TF card expansion up to 128GB. To insert a TF card:
- Locate the TF card slot on the side of the player.
- Gently insert the TF card into the slot until it clicks into place.
- To remove, push the card in slightly until it springs out.
2.4 Connecting to a Computer and Transferring Files
Connect the MP3 player to your Windows PC using the USB 2.0 cable. The device will appear as a removable disk. You can then drag and drop music, video, e-book, and picture files into the appropriate folders on the player's internal memory or inserted TF card.
3. Operating Instructions
3.1 Basic Controls
The RUIZU D02 features capacitive touch keys for navigation and control.
3.2 Music Playback
The player supports MP3, WMA, APE, FLAC, WAV, DRM, and ACELP audio formats. Navigate to the 'Music' menu to browse and play your audio files. Play modes include repeat play, single play, and all loop. The device also supports LRC lyrics synchronization and A-B repeat functionality.
3.3 Bluetooth Functionality
The RUIZU D02 features Bluetooth 4.0. You can pair it with Bluetooth headphones or speakers to enjoy music wirelessly. To pair, navigate to the Bluetooth settings on your player, enable Bluetooth, and select your desired device from the list.
Important Bluetooth Notes:
- The MP3 player's Bluetooth cannot pair with computers or mobile phones.
- Bluetooth functionality does not support video playback or FM radio transmission.
3.4 Video Playback
The device supports AMV and AVI video formats. For optimal playback, it is recommended to use AMV video conversion software on your computer to convert video files before transferring them to the player.
3.5 FM Radio
The RUIZU D02 includes an FM radio function. Navigate to the 'Radio' menu to access and tune into FM stations. It supports automatic frequency modulation and preset stations.
3.6 E-Book Reading
The player supports TXT format e-books. You can read text files and utilize bookmark features. Navigate to the 'E-Book' menu to open your text files.
3.7 Voice Recording
The device supports MIC recording. Access the 'Recorder' function to capture audio. Recording duration is up to 30 hours.
3.8 Timed Shutdown
You can set a timer for the device to automatically shut down. This feature is useful for saving battery life or for listening to music before sleep.
3.9 Other Functions
- Alarm Clock: Set alarms for reminders.
- Photo Viewer: View BMP and JPG image files.
- World Clock: Keep track of time zones.
4. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid using liquid cleaners or solvents.
- Storage: Store the player in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge it regularly.
- Physical Protection: The player features an aluminum-magnesium alloy body for durability. However, avoid dropping the device or exposing it to excessive force.
5. Troubleshooting
- Device not turning on: Ensure the battery is charged. Connect to a power source and try again.
- Cannot transfer files: Check USB cable connection. Ensure the device is properly recognized by your computer.
- Bluetooth pairing issues: Make sure the player's Bluetooth is enabled and in pairing mode. Ensure the target Bluetooth device is also in pairing mode and within range. Remember, the player cannot pair with computers or phones.
- Video files not playing: Verify that video files are in AMV or AVI format. If not, use conversion software on your computer to convert them.
- Poor FM radio reception: Ensure you are in an area with good signal strength. Try adjusting your position.
- Screen unresponsive: If the device freezes, try holding the power button for an extended period (e.g., 10-15 seconds) to force a restart.
6. Specifications
| Feature | Specification |
|---|---|
| Brand | RUIZU |
| Model Number | D02 |
| DSP | ATJ2127 |
| Dimensions (WxHxD) | 86*40*9mm (8.6x4x0.9cm) |
| Weight | 43g |
| Body Material | Metal (Aluminum Magnesium Alloy) |
| Display Size | 1.8 inches TFT Color Screen |
| Screen Resolution | 160*128 |
| Operation Mode | Touch Keys |
| Storage Type | Flash Memory (8GB internal) |
| External Memory | Supports TF card expansion up to 128GB |
| Battery Specification | Lithium Battery (500 Ma) |
| Battery Life | 10 - 20 hours (Music playback), 50 hours (Music out), 30 hours (Recording) |
| Charging Time | 1-2 Hours |
| USB Connection | USB2.0 |
| Bluetooth | Yes, Bluetooth 4.0 |
| WIFI | No |
| Audio Format Support | MP3, WMA, APE, FLAC, WAV, DRM, ACELP |
| Video Format Support | AMV, AVI |
| Voice Record Format | WAV, MP3, ACT |
| Ebook Format | TXT (supports bookmarks) |
| Picture Format | BMP, JPG |
| Signal-To-Noise Ratio | ≥90dB |
| Have Speakers or not | Yes (Built-in Speaker) |
| Supports FM | Yes |
| Supports Recording Function | Yes |
| Supports EBook Reading | Yes |
| Functions | Voice Recorder, E-Book Reading, FM Radio, Bluetooth, Built-in Speaker, Photo Viewer, World Clock, Alarm Clock, Timed Shutdown, LRC lyrics synchronization, A-B repeat, Variable speed playback (16 times shifting) |
| Language Support | 20 languages (e.g., English, Russian, Italian, Hebrew, Japanese, Korean, Spanish, German) |
7. Warranty and Support
For warranty information and technical support, please refer to the seller's policies or contact the RUIZU customer service directly. Keep your proof of purchase for any warranty claims.
8. User Tips
- Organize your files: Create separate folders for music, videos, and e-books on your player for easier navigation.
- Use a good quality TF card: If expanding memory, a reliable, high-speed TF card will ensure smooth performance.
- Experiment with sound settings: The player offers HiFi lossless music decoding. Explore equalizer settings if available to customize your audio experience.
- Convert videos for best results: Always convert videos to AMV or AVI format using appropriate software on your computer to ensure compatibility and smooth playback on the device.
